Tag: Aprilaire ELECTRONIC THERMOSTAT

Aprilaire 8551 ELECTRONIC THERMOSTAT IMPORTANT: READ ALL INSTRUCTIONS THOROUGHLY Programming your Aprilaire® Thermostat is done in three easy steps: setting the clock, setting the event times, and setting your desired temperatures. Setting Or Changing The Clock Step 1: If you are currently in Daylight Saving Time (first Sunday in April thru fourth Sunday in October),…